21492971 (number)

21492971 is an odd 8-digits composite number following 21492970 and preceding 21492972. In scientific notation, it is written as 2.1492971 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 19280448 positive integers (up to 21492971) that are relatively prime to 21492971.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand nine hundred seventy-one

Notation

Scientific notation 2.1492971 × 10^7
Engineering notation 2.1492971 × 10^6

Prime Factorization of 21492971

Prime Factorization 19 × 23 × 137 × 359

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492971
Product of the distinct prime numbers

The prime factorization of 21492971 is 19 × 23 × 137 × 359. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 83, 92, 583, 183, 737, 6616, 91074, 81359, 527715, 168898, 374023, 7117194, 28226289, 79394923, 303615820, 338215089, 9465447922, 7092130885

Basic calculations (n = 21492971)

Multiplication

n×y
n×2 42985942
n×3 64478913
n×4 85971884
n×5 107464855

Division

n÷y
n÷2 10746485.5
n÷3 7164323.6666667
n÷3 5373242.75
n÷5 4298594.2

Exponentiation

ny
n2 461947802406841
n3 9.928630720644E+21
n4 2.1339577214851E+29
n5 4.5865091423105E+36

Nth Root

y√n
2√n 4636.0512292251
3√n 278.03458241698
4√n 68.088554318807
5√n 29.27246467226

Divisors of 21492971

1, 19, 23, 137, 359, 437, 2603, 3151, 6821, 8257, 49183, 59869, 156883, 934477, 1131209, 21492971

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492970
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492971 can be divided by 16 positive divisors. The sum of these divisors (counting 21492971) is 1, the average is 0.0625.

Base conversion 21492971

Base System Value
2 Binary 1010001111111010011101011
3 Ternary 1111102221210222
4 Quaternary 1101333103223
5 Quinary 21000233341
6 Senary 2044400255
8 Octal 121772353
10 Decimal 21492971
12 Duodecimal 724608b
16 Hexadecimal 147f4eb
20 Vigesimal 6e6c8b
36 Base36 cso2z

Cryptographic Hash Functions

md5 b939f35e501fa9f17e248788bf76687d
sha1 d7ed9d6caff6dd8e2302b9c34ec403e57631fb81
sha256 feb51490873bd3c1f20f67c9d925e0466b22ea10074fd78d6ea5996cc9c90655
sha512 b0e361b1630d182cc46bce73ee514e2653537ad5f70d39ba907b48df16d65daf24b3915804ec818d4c12497b9ddff519d3da6f09686c681010db09aa3ebfb2fd
ripemd-160 2286118d6e6094a9ff7be79a43e8e2926d10672a

21492971 as geometric shapes

Circle

Radius = n
Diameter 42985942
Circumference 135044319.59484
Area 1.4512518223833E+15

Sphere

Radius = n
Volume 4.1588951109575E+22
Surface area 5.8050072895331E+15
Circumference 135044319.59484

Square

Length = n
Perimeter 85971884
Area 461947802406841
Diagonal 30395651.083892

Cube

Length = n
Surface area 2771686814441046
Volume 9.928630720644E+21
Space diagonal 37226917.777604

Equilateral Triangle

Length = n
Perimeter 64478913
Area 2.0002926605336E+14
Altitude 18613458.888802

Triangular Pyramid

Length = n
Surface area 2.0002926605336E+14
Volume 1.1701003517441E+21
Height 10131883.694631